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Open AccessArticle

Effect of Addition of Mo or V on the Structure and Cutting Performance of AlCrN-Based Coatings

by Sidra Iram 1,2,3, Fei Cai 1,2,*, Jianming Wang 1,2,3, Jiamin Zhang 1,2,3, Jiagang Liang 4, Farooq Ahmad 1,2,3 and Shihong Zhang 1,2,3,*
1
Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials, Ministry of Education, Anhui University of Technology, Ma’anshan 243000, China
2
Research Center of Modern Surface and Interface Engineering, Anhui University of Technology, Ma’anshan 243002, China
3
School of Materials Science and Engineering, Anhui University of Technology, Ma’anshan 243002, China
4
Anhui Province Key Laboratory of Heavy Duty Special Vehicle Engine, Ma’anshan 243000, China
*
Authors to whom correspondence should be addressed.
Coatings 2020, 10(3), 298; https://doi.org/10.3390/coatings10030298
Received: 24 February 2020 / Revised: 15 March 2020 / Accepted: 17 March 2020 / Published: 23 March 2020
(This article belongs to the Section Corrosion, Wear and Erosion)
This study focuses on a comparative analysis of AlCrXN (X = Mo or V) coatings with the reference AlCrN coating via arc ion plating technique (AIP). The XRD and XPS results showed that the AlCrXN coatings were mainly composed of fcc-(Cr,Al)N solid solution phases. Both the AlCrMoN and AlCrVN coatings exhibited much higher hardness and adhesive strength than the AlCrN coating. The addition of Mo or V decreased the coefficient of friction (COF) and wear rate, which was due to the formation of lubricant oxides containing Mo or V on the coating surfaces. The cutting results showed that abrasive wear, adhesive wear, and oxidation wear were the main wear mechanisms for the coated tools at the cutting speeds of 60 m/min and 94 m/min. The addition of Mo or V dramatically improved the cutting performance of AlCrXN-coated tools by increasing the anti-wear ability due to the high hardness and the formed lubricant VOx or MoOx films. View Full-Text
Keywords: AlCrMoN; AlCrVN; wear; cutting performance AlCrMoN; AlCrVN; wear; cutting performance
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Iram, S.; Cai, F.; Wang, J.; Zhang, J.; Liang, J.; Ahmad, F.; Zhang, S. Effect of Addition of Mo or V on the Structure and Cutting Performance of AlCrN-Based Coatings. Coatings 2020, 10, 298.

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